Cognomen Щаулин (Schaulin 
, Щаулин 
) , globally, is a rare surname. The surname Щаулин is habitual in Switzerland, where it is quite a rare surname, Russia, where it is a rare surname, and Germany, where it is a very rare surname. Very seldom, Щаулин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Schaulin | Germany, Spain, Switzerland, United States, Canada |
| Щаулин | Russia |